Mistral Large 4 (Le Chonk)

Overview

Public-preview natively multimodal mixture-of-experts model that Mistral says has 1 trillion total parameters and 49 billion active parameters, trained from scratch on 3,800 NVIDIA Grace Blackwell GPUs in company datacenters in Europe. Preview API is on Mistral Studio; open weights are promised by the end of October 2026 after red-teaming with cybersecurity partners and state authorities. Company SOTA-among-open-weights claims are unverified independently in this update.

Preview API live 6 Oct 2026; open weights not yet published.